Annotation	pos	Low Freq (Hz)	High Freq (Hz)	Begin Time (s)	End Time (s)	duration	filename
V	52.6	1354.1645	1557.2895	52.5125	52.6875	0.1749999999999971	20250201_015050UTC_V00OS11.WAV
E	55.268752	460.41449999999975	704.1644999999997	54.775	55.762504	0.9875040000000012	20250201_015050UTC_V00OS11.WAV
V	55.712504	1056.2477250000002	1367.706275	55.575004	55.850004000000006	0.2750000000000057	20250201_015050UTC_V00OS11.WAV